1,1-dimethyl-3-(4-propan-2-ylphenyl)urea
C12H18N2O
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Identification
- CAS Number
- 34123-59-6
- EC Number
- 251-835-4
- UN Number
- 3077
- Index Number
- 006-044-00-7
- PubChem CID
- 36679
Physical-chemical properties
- Molecular Formula
- C12H18N2O
- Molar Mass
- 206.28 g/mol
- IUPAC Name
- 1,1-dimethyl-3-(4-propan-2-ylphenyl)urea
Chemical Identifiers
- InChI
- InChI=1S/C12H18N2O/c1-9(2)10-5-7-11(8-6-10)13-12(15)14(3)4/h5-9H,1-4H3,(H,13,15)
- InChI Key
- PUIYMUZLKQOUOZ-UHFFFAOYSA-N
Overview
1,1-dimethyl-3-(4-propan-2-ylphenyl)urea (CAS 34123-59-6) is a substituted urea compound with herbicidal properties and significant environmental persistence concerns. This organochemical compound, registered under EC number 251-835-4, belongs to the phenylurea family of chemicals widely used in agricultural and industrial applications. With a molecular formula of C12H18N2O and molecular weight of 206.28 g/mol, this dimethylurea derivative features a characteristic isopropyl-substituted phenyl ring structure that influences both its biological activity and environmental behavior. The compound presents notable safety considerations, classified under multiple hazard categories including suspected carcinogenicity (Carc. 2), specific target organ toxicity following repeated exposure (STOT RE 2), and significant aquatic toxicity with both acute and chronic environmental effects. These classifications require careful handling protocols and appropriate personal protective equipment, as indicated by the GHS08 health hazard and GHS09 environmental pictograms with a Warning signal word. Industrial applications primarily center on specialized chemical synthesis and research applications where its unique molecular structure provides specific reactivity patterns. The compound also finds use in the development of agricultural formulations and as an intermediate in the production of related phenylurea derivatives. Its structural relationship to compounds like propan-2-yl N-(3-chlorophenyl)carbamate demonstrates its position within the broader carbamate and urea chemical families used in crop protection technologies. Transportation regulations classify this material under ADR Class 9 (miscellaneous dangerous goods), requiring specialized logistics handling. OYSI maintains reliable supply chains for 1,1-dimethyl-3-(4-propan-2-ylphenyl)urea to support European industrial customers with consistent quality and regulatory compliance documentation.
Safety & Classification
Carc. 2; STOT RE 2; Aquatic Acute 1; Aquatic Chronic 1
GHS Pictograms
HHazard Statements (H-Statements)
Describe the nature and severity of the hazard
Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).
First Aid Measures
Transport (ADR)
| UN Number | 3077 |
| ADR Class | 9 |
| Packing Group | III |
| Tunnel Code | - |
| Proper Shipping Name | Isoproturon (ISO) |
| Marine Pollutant | No |
Frequently Asked Questions
What is 1,1-dimethyl-3-(4-propan-2-ylphenyl)urea?
1,1-dimethyl-3-(4-propan-2-ylphenyl)urea is an organic chemical compound with the molecular formula C12H18N2O and CAS number 34123-59-6. This urea derivative has a molecular weight of 206.28 g/mol and contains an isopropyl-substituted phenyl group. It is classified as a potential carcinogen (Category 2) and poses risks to aquatic environments, requiring careful handling in industrial applications.
What are the physicochemical properties of 1,1-dimethyl-3-(4-propan-2-ylphenyl)urea?
1,1-dimethyl-3-(4-propan-2-ylphenyl)urea is a solid organic compound at room temperature with a molecular weight of 206.28 g/mol. The substance contains both polar urea functionality and a hydrophobic aromatic ring system, which influences its solubility characteristics. Specific physical properties such as melting point, color, and odor would depend on the particular grade and purity of the material.
What is 1,1-dimethyl-3-(4-propan-2-ylphenyl)urea used for?
1,1-dimethyl-3-(4-propan-2-ylphenyl)urea is primarily used as an intermediate in chemical synthesis and pharmaceutical research. Its urea structure makes it valuable for developing bioactive compounds and specialty chemicals. The compound may also serve as a building block in agrochemical formulations or as a research chemical for studying structure-activity relationships in medicinal chemistry applications.
How to handle 1,1-dimethyl-3-(4-propan-2-ylphenyl)urea safely?
Safe handling requires appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing due to its carcinogenic potential (Category 2). Work should be conducted in well-ventilated areas or under fume extraction systems. Avoid inhalation, skin contact, and ingestion. Regular health monitoring may be necessary for workers with repeated exposure, and proper hygiene practices must be maintained.
How to store 1,1-dimethyl-3-(4-propan-2-ylphenyl)urea correctly?
Proper storage requires keeping the substance in tightly sealed containers in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Storage areas should be equipped with appropriate containment measures to prevent environmental release due to its aquatic toxicity classification. Access should be restricted to authorized personnel only, and containers must be properly labeled according to GHS requirements.
What to do in case of contact with 1,1-dimethyl-3-(4-propan-2-ylphenyl)urea?
Immediate action is required for any contact with this substance. For skin contact, remove contaminated clothing and wash thoroughly with soap and water. In case of eye contact, rinse immediately with plenty of water for at least 15 minutes. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention, providing safety data sheet information to healthcare providers.
How to dispose of 1,1-dimethyl-3-(4-propan-2-ylphenyl)urea appropriately?
Disposal must comply with local and national hazardous waste regulations due to its carcinogenic classification and environmental hazard properties. The substance cannot be disposed of in regular waste streams and requires treatment by licensed hazardous waste contractors. Incineration at authorized facilities capable of handling carcinogenic materials is typically the preferred disposal method, ensuring complete destruction while preventing environmental contamination.
How to transport 1,1-dimethyl-3-(4-propan-2-ylphenyl)urea?
Transportation is regulated under ADR classification as Class 9 (Miscellaneous Dangerous Goods), Packing Group III. This requires appropriate UN-specification packaging, proper labeling with GHS08 and GHS09 pictograms, and transport documentation. Vehicles must carry appropriate emergency equipment, and drivers need ADR training certification. The relatively low hazard classification allows for less restrictive transport conditions compared to higher-risk substances.
Is 1,1-dimethyl-3-(4-propan-2-ylphenyl)urea subject to specific regulations?
Yes, this substance is subject to multiple regulatory frameworks including REACH registration requirements in Europe and CLP classification obligations. Its carcinogenic classification (Category 2) triggers specific workplace exposure limits and health surveillance requirements. While not currently listed as an SVHC, its hazard profile requires compliance with occupational safety regulations and environmental protection measures for aquatic toxicity.
Where to buy 1,1-dimethyl-3-(4-propan-2-ylphenyl)urea in Europe?
OYSI serves as a reliable European distributor for 1,1-dimethyl-3-(4-propan-2-ylphenyl)urea, providing quality chemical products with proper documentation and regulatory compliance. As a specialized chemical distributor, OYSI ensures appropriate packaging, labeling, and transport arrangements according to ADR and GHS requirements. Contact OYSI directly for availability, technical specifications, and pricing information for your specific application requirements.
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1,1-dimethyl-3-(4-propan-2-ylphenyl)urea is a dangerous good. We support you with labeling, packaging, and transport documentation.
Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.